Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
networking B
chapter 1 thru 4
| Question | Answer |
|---|---|
| class a | 1 126 |
| class b | 128 191 |
| class c | 192 223 |
| number of class a networks | 126 |
| maximum addressable hosts per network on class a | 16,777,214 |
| number of class b networks | > 16,000 |
| maximum addressable hosts per network on class b | 65,534 |
| number of class c networks | > 2,000,000 |
| maximum addressable hosts per network on class c | 254 |
| class a subnet mask | 255.0.0.0 |
| class b subnet mask | 255.255.0.0 |
| class c subnet mask | 255.255.255.0 |
| port 20 | ftp data |
| port 21 | ftp |
| port 22 | ssh |
| port 23 | telnet |
| port 25 | smtp |
| port 53 | dns |
| port 69 | tftp |
| port 80 | http |
| port 110 | pop3 |
| port 123 | ntp |
| port 143 | imap |
| port 443 | https |
| smtp | simple mail transfer protocol |
| imap | internet message access protocol |
| tftp | trivial file transfer protocol |
| ntp | network time protocol |
| dns | domain name system |
| arp | address resolution protocol |
| arp | a network layer protocol |
| arp | obtains the MAC address and creates a local datbase that maps the mac address to the hosts IP(logical address) |
| mac | physical address of a host or node |
| host file | a text file that associates TCP/IP host names with IP addresses |
| anycast address | IPv6 address that represents a group of interfaces,any one of which can accept a transmission.are designed to be associated with routers |
| bootstrap protocol | application layer protocol |
| arp table | a database of records that maps MAC address to IP address |
| arp table | stored on a pc hard disk,where it is used by arp utility to supply the MAC addresses of network nodes,given their IP addresses. |
| domain | a group of computers that belong to the same organization and part of their IP addresses in common. |
| dynamic dns | ddns client computers are configured to notify a service provider when their IP address change |
| domain name system/service | application layer |
| dns | dns database is distributed over several computers across the internet incase one or two pc go down. |
| dns | a hierarchial way of tracking domain names and their addresses. |
| dynamic host configuration protocol | manages the dynamic distribution of IP addresses on a network. |
| dynamic ports | open for use without requiring administrative privilieges, range from 49,152 thru 65,535 |
Created by:
cgeaski
Popular Computers sets